EP1741883A1 - Oil pump for an internal combustion engine - Google Patents
Oil pump for an internal combustion engine Download PDFInfo
- Publication number
- EP1741883A1 EP1741883A1 EP06114999A EP06114999A EP1741883A1 EP 1741883 A1 EP1741883 A1 EP 1741883A1 EP 06114999 A EP06114999 A EP 06114999A EP 06114999 A EP06114999 A EP 06114999A EP 1741883 A1 EP1741883 A1 EP 1741883A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wall
- protective cover
- oil pan
- oil
- damping element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 title claims description 7
- 230000001681 protective effect Effects 0.000 claims abstract description 70
- 125000006850 spacer group Chemical group 0.000 claims abstract description 27
- 238000013016 damping Methods 0.000 claims description 26
- 229920001971 elastomer Polymers 0.000 claims description 4
- 239000000806 elastomer Substances 0.000 claims description 4
- 101150006573 PAN1 gene Proteins 0.000 description 6
- 238000003466 welding Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
- B60R13/0861—Insulating elements, e.g. for sound insulation for covering undersurfaces of vehicles, e.g. wheel houses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/0004—Oilsumps
- F01M2011/0008—Oilsumps with means for reducing vibrations
- F01M2011/0012—Oilsumps with means for reducing vibrations with acoustic insulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/0004—Oilsumps
- F01M2011/002—Oilsumps with means for improving the stiffness
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/0004—Oilsumps
- F01M2011/0091—Oilsumps characterised by used materials
Definitions
- the invention relates to an oil pan, in particular for an internal combustion engine, according to the preamble of claim 1.
- the oil sump located on the underside of the engine shall fully support the weight of the engine, in particular in case of installation in the vehicle or after removal in case of service when the engine is parked on the ground.
- the weight forces of the engine are supported by the ribs on the outside of the tub floor. This can cause problems if the engine is parked in an inclined position or the ground is sloping or uneven, since individual ribs are sometimes considerably more heavily loaded than in the case of a uniform placement on the ground. There is then a risk that the ribs break. Even in the case of a stone impact, which strikes the sump, due to the high transmitted momentum and the localized force introduction damage to the tub despite the protective ribs can not be excluded.
- the oil pan according to the invention has a protective sheath which at least partially surrounds the outer wall of the oil pan and is held at a distance from the outer wall and held opposite to this in a fixed position.
- the protective cover forms a separate component from the outer wall, which, however, can be connected to the outer wall and additionally protects it against mechanical damage. Due to the distance between the protective cover and the outer wall of the oil pan is also ensured that, for example, the protective cover penetrating or impacting objects such as stones can not impart an immediate impulse to the outer wall and damage them. Rather, the protective cover keeps such objects off before they can act on the outer wall.
- the protective cover may be part of an underbody cover, which is arranged on the underside of a motor vehicle as a protective measure and to improve the drag coefficient.
- the protective cover forms part of this underbody cover and is connected in the region of the oil sump to the outer wall of the oil sump, either via the damping element or via the spacer elements, if appropriate also via both components.
- the illustrated in Fig. 1 oil pan 1 for an internal combustion engine of a motor vehicle has an existing plastic oil wall housing 2, which is produced in particular by injection molding.
- the outer wall 3 of the oil pan housing 2 comprises a lower trough bottom 3a and circumferential side walls 3b.
- the tank bottom 3a and the side walls 3b lying in the vehicle forward direction F are enclosed by a protective wall or shell 4, which is designed as a separate component and is connected to the tank bottom 3a or the front side wall 3b via spacer elements 5.
- the spacer elements 5 ensure that the protective cover 4 is at a distance from the outer wall 3 of the oil pan housing 2, so that between the outer wall 3 and protective cover 4, a gap is formed.
- the protective cover 4 is expediently also made of plastic, as well as the spacer elements 5. According to a preferred embodiment, it is provided that the protective cover 4 including the spacer elements 5 are molded onto the outer wall 3 of the oil pan.
- the protective cover 4 is concentric with the outer wall 3 of the oil pan.
- ribs 7 may be formed, which reinforce the outer wall and provide additional stability. These ribs 7 are arranged both in the region of the side walls 3b and expediently in the region of the trough bottom 3a directly on the outer wall 3.
- the protective cover 4 forms part of an underbody cover 9, which is provided on the underside of the motor vehicle.
- the protective cover 4 surrounds the front side wall 3b, also the bottom 3a of the outer wall 3 of the oil pan is embraced.
- the protective cover 4 is at a distance from the outer wall 3, wherein a Damping element 8 is introduced into the space between the outer wall 3 and 4 protective cover.
- the damping element 8 consists in particular of an elastomer and is firmly connected to the protective cover 4.
- damping element 8 it may also be advantageous to connect the damping element 8 to the outer wall 3, for example, to adhere.
- the protective cover 4 is designed as a separate, separate component which is directly connected to the outer wall 3 of the oil pan 1.
- spacer elements 5 may be provided, which, however, as shown in the embodiment of FIG. 3, the distance between the protective cover 4 and outer wall 3 does not completely bridge and thus not fully penetrate the damping element 8, but only protrude into the damping element.
- the spacers 5 are alternately arranged on the protective cover 4 and the tub bottom 3a and the front side wall 3b of the outer wall.
- connection of the protective cover 4 to the oil pan 1 takes place in this embodiment, exclusively on the damping element 8, which is suitably adhered to the outer wall 3 of the oil pan.
- the spacer elements 5, which do not completely penetrate the damping element 8, have the task, only in the case of a strong external action on the protective cover 4 in the direction take on the oil pan 1 and a compression of the damping element 8 thereby obtained additional support forces as soon as the protective cover 4 is so far approximated to the outer wall, that the spacer elements 5 abut the respective opposite component.
- additional spacer elements may be provided which connect the protective cover 4 directly to the outer wall 3 of the oil pan.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
Description
Die Erfindung bezieht sich auf eine Ölwanne, insbesondere für eine Brennkraftmaschine, nach dem Oberbegriff des Anspruches 1.The invention relates to an oil pan, in particular for an internal combustion engine, according to the preamble of
Aus dem Stand der Technik sind Ölwannen für Brennkraftmaschinen bekannt, an deren Außenwand Rippen angebracht sind, die die Ölwanne insbesondere bei starken mechanischen Einwirkungen, beispielsweise bei Steinschlag, schützen sollen. Eine derartige Ölwanne wird beispielsweise in der
Die auf der Unterseite des Motors befindliche Ölwanne muss das Gewicht des Motors insbesondere im Falle der Montage in das Fahrzeug oder nach dem Ausbau im Servicefall, wenn der Motor auf dem Boden abgestellt wird, vollständig tragen. Die Gewichtskräfte des Motors werden über die Rippen auf der Außenseite des Wannenbodens abgestützt. Hierbei können Probleme auftreten, falls der Motor in schräger Position abgestellt wird oder der Boden abschüssig oder uneben ist, da einzelne Rippen zum Teil erheblich höher belastet werden als im Fall eines gleichmäßigen Aufsetzens auf den Untergrund. Es besteht dann die Gefahr, dass die Rippen brechen.
Auch im Falle eines Steinschlages, der auf die Ölwanne auftrifft, kann aufgrund des hohen übertragenen Impulses und der lokal begrenzten Krafteinleitung eine Beschädigung der Wanne trotz der schützenden Rippen nicht ausgeschlossen werden.The oil sump located on the underside of the engine shall fully support the weight of the engine, in particular in case of installation in the vehicle or after removal in case of service when the engine is parked on the ground. The weight forces of the engine are supported by the ribs on the outside of the tub floor. This can cause problems if the engine is parked in an inclined position or the ground is sloping or uneven, since individual ribs are sometimes considerably more heavily loaded than in the case of a uniform placement on the ground. There is then a risk that the ribs break.
Even in the case of a stone impact, which strikes the sump, due to the high transmitted momentum and the localized force introduction damage to the tub despite the protective ribs can not be excluded.
Der Erfindung liegt das Problem zugrunde, mit einfachen konstruktiven Maßnahmen den Schutz einer Ölwanne vor Beschädigungen zu verbessern. Der verbesserte Schutz soll vorteilhaft ohne Gewichtserhöhung einhergehen.The invention is based on the problem to improve the protection of an oil pan from damage with simple design measures. The improved protection should be accompanied by an advantageous increase in weight.
Dieses Problem wird erfindungsgemäß mit den Merkmalen des Anspruches 1 gelöst. Die Unteransprüche geben zweckmäßige Weiterbildungen an.This problem is solved according to the invention with the features of
Die erfindungsgemäße Ölwanne weist eine Schutzhülle auf, die die Außenwand der Ölwanne zumindest teilweise umschließt und auf Abstand zur Außenwand gehalten und gegenüber dieser in einer festen Position gehalten ist. Die Schutzhülle bildet ein von der Außenwand separat ausgeführtes Bauteil, welches aber mit der Außenwand verbunden sein kann und diese zusätzlich vor mechanischen Beschädigungen schützt. Aufgrund des Abstandes zwischen Schutzhülle und Außenwand der Ölwanne ist auch sichergestellt, dass beispielsweise die Schutzhülle durchdringende oder durchschlagende Gegenstände wie zum Beispiel Steine keinen unmittelbaren Impuls auf die Außenwand übertragen und diese beschädigen können. Vielmehr hält die Schutzhülle derartige Gegenstände ab, bevor diese auf die Außenwand einwirken können.The oil pan according to the invention has a protective sheath which at least partially surrounds the outer wall of the oil pan and is held at a distance from the outer wall and held opposite to this in a fixed position. The protective cover forms a separate component from the outer wall, which, however, can be connected to the outer wall and additionally protects it against mechanical damage. Due to the distance between the protective cover and the outer wall of the oil pan is also ensured that, for example, the protective cover penetrating or impacting objects such as stones can not impart an immediate impulse to the outer wall and damage them. Rather, the protective cover keeps such objects off before they can act on the outer wall.
Die Schutzhülle ist zweckmäßig über Abstandselemente an der Außenwand der Ölwanne gehalten. Diese Abstandselemente stellen eine gleichmäßige Kraftverteilung über den Wannenboden und die Seitenwände sicher, so dass auch punktuell auf die Schutzhülle einwirkende Kräfte über die Abstandselemente gleichmäßig und großflächig auf die Außenwand der Ölwanne verteilt werden, wodurch eine Absenkung der Kraftspitzen erzielt wird, die lokal über die Abstandselemente auf die Ölwanne einwirken.The protective cover is conveniently held by spacers on the outer wall of the oil pan. These spacers ensure a uniform distribution of force over the tub bottom and the side walls, so that even forces acting on the protective sheath punctually distributed over the spacer elements evenly and over a large area on the outer wall of the oil pan, whereby a lowering of the force peaks is achieved locally via the spacers act on the oil pan.
Die Schutzhülle ist vorteilhaft als eine geschlossene Wandung ohne Durchbrechungen ausgebildet, was den Vorteil hat, dass zusätzliche Sicherheit gegen Auslaufen von Öl im Falle einer Beschädigung der Ölwanne gegeben ist. Sollte die Außenwand der Ölwanne Leck schlagen, so wird das austretende Öl in der umschließenden Schutzhülle aufgenommen. Die Gefahr einer Umweltverschmutzung ist dadurch reduziert.The protective cover is advantageously designed as a closed wall without openings, which has the advantage that additional security against leakage of oil in case of damage to the oil pan is given. If the outer wall of the oil sump leak, so the escaping oil is absorbed in the enclosing protective cover. The risk of pollution is thereby reduced.
In den Zwischenraum zwischen der Schutzhülle und der Außenwand der Ölwanne ist vorteilhaft ein Dämpfungselement eingebracht, welches Stöße und Schläge, die von außen auf die Schutzhülle wirken, dämpft. Dieses Dämpfungselement ist zweckmäßig als separates Bauteil ausgeführt und besteht beispielsweise aus einem Elastomer, das gegebenenfalls als Spritzgussbauteil an die Schutzhülle oder an die Außenwand der Ölwanne angespritzt ist. Darüber hinaus kommen aber auch alternative Verbindungsarten in Betracht, beispielsweise vulkanisieren oder ankleben.In the space between the protective cover and the outer wall of the oil pan, a damping element is advantageously introduced, which dampens shocks and impacts acting from the outside on the protective cover. This damping element is expediently designed as a separate component and consists for example of an elastomer, which is optionally molded as an injection-molded component to the protective cover or to the outer wall of the oil pan. In addition, however, alternative types of connection are also possible, for example vulcanizing or gluing.
Die Abstandselemente, die die Schutzhülle einerseits mit der Ölwanne koppeln und andererseits die Schutzhülle auf Abstand zur Außenwand der Ölwanne halten, sind beispielsweise als Verbindungsrippen ausgeführt, die für den Fall, dass die Schutzhülle als Spritzgussbauteil ausgeführt ist, zweckmäßig als einteiliges Bauteil mit der Schutzhülle ausgebildet sind. Gegebenenfalls kommt auch eine einteilige Ausführung von Außenwand der Ölwanne, Abstandselemente und Schutzhülle in Betracht. Darüber hinaus ist es möglich, die Abstandselemente an die Außenwand anzuschweißen, beispielsweise im Wege des Vibrationsschweißens, über Ultraschallschweißen oder Laserschweißen, oder die Abstandselemente anzukleben oder mechanisch an der Außenwand zu befestigen, beispielsweise mithilfe von Schrauben, Krallen oder Clipse. Werden Schutzhülle und Verbindungselemente an die Außenwand angespritzt, so kann dies über Gasinjektionstechnik oder Wasserinjektionstechnik erfolgen.The spacer elements, which on the one hand couple the protective sleeve to the oil sump and on the other hand hold the protective sleeve at a distance from the outer wall of the oil sump, are designed, for example, as connecting ribs, which are expediently designed as one-piece component with the protective sleeve in the case where the protective sleeve is designed as an injection-molded component are. Optionally, a one-piece design of the outer wall of the oil pan, spacers and protective cover comes into consideration. In addition, it is possible to weld the spacer elements to the outer wall, for example by means of vibration welding, ultrasonic welding or laser welding, or to glue the spacer elements or mechanically fasten them to the outer wall, for example by means of screws, claws or clips. If the protective cover and connecting elements are injection-molded onto the outer wall, this can be done via gas injection technology or water injection technology.
Das Dämpfungselement, welches in den Zwischenraum zwischen Außenwand und Schutzhülle eingesetzt ist, kann gemäß einer weiteren, vorteilhaften Ausführung von den Abstandselementen durchragt werden, welche die Schutzhülle mit der Außenwand der Ölwanne koppeln. Gegebenenfalls können aber auch Abstandselemente vorgesehen sein, die die Schutzhülle nicht unmittelbar mit der Außenwand verbinden, sondern lediglich in das Dämpfungselement einragen. In diesem Fall wird die Schutzhülle über das Dämpfungselement an der Ölwanne gehalten. Gegebenenfalls kommen aber auch Mischformen in Betracht, bei denen einzelne Rippen in das Dämpfungselement einragen, ohne dieses zu durchdringen, und außerdem Verbindungselemente vorgesehen sind, die die Schutzhülle direkt mit der Außenwand der Ölwanne koppeln.The damping element, which is inserted into the space between the outer wall and the protective cover, can be penetrated according to a further advantageous embodiment of the spacer elements which couple the protective cover with the outer wall of the oil pan. Optionally, however, also spacer elements may be provided which do not connect the protective cover directly to the outer wall, but only protrude into the damping element. In this case, the protective cover is held on the sump via the damping element. Optionally, however, mixed forms come into consideration, in which protrude individual ribs in the damping element, without penetrating this, and also fasteners are provided, which couple the protective cover directly to the outer wall of the oil pan.
Die Schutzhülle kann Bestandteil einer Unterbodenabdeckung sein, welche auf der Unterseite eines Kraftfahrzeuges als Schutzmaßnahme sowie zur Verbesserung des Luftwiderstands-Beiwertes angeordnet ist. Die Schutzhülle bildet einen Teil dieser Unterbodenabdeckung und ist im Bereich der Ölwanne mit der Außenwand der Ölwanne verbunden, und zwar entweder über das Dämpfungselement oder über die Abstandselemente, gegebenenfalls auch über beide Bauteile.The protective cover may be part of an underbody cover, which is arranged on the underside of a motor vehicle as a protective measure and to improve the drag coefficient. The protective cover forms part of this underbody cover and is connected in the region of the oil sump to the outer wall of the oil sump, either via the damping element or via the spacer elements, if appropriate also via both components.
Weitere Vorteile und zweckmäßige Ausführungen sind den weiteren Ansprüchen, der Figurenbeschreibung und den Zeichnungen zu entnehmen. Es zeigen:
- Fig. 1 eine Ölwanne für die Brennkraftmaschine eines Kraftfahrzeuges in Seitenansicht, wobei die Außenwand der Ölwanne im Bereich des Wannenbodens und der in Fahrtrichtung vorne gelegenen Seitenwände von einer Schutzhülle umschlossen ist, die über eine Mehrzahl von Abstandselementen mit der Außenwand verbunden ist,
- Fig. 2 eine Fig. 1 entsprechende Darstellung, jedoch mit einer Schutzhülle, die Bestandteil einer Unterbodenabdeckung ist, mit einem Elastomer-Dämpfungselement im Zwischenraum zwischen Schutzhülle und Außenwand der Ölwanne,
- Fig. 3 ein weiteres Ausführungsbeispiel, bei dem die Schutzhülle über das Dämpfungselement mit der Außenwand der Ölwanne verbunden ist, wobei zur Stabilisierung Abstandselemente in das Dämpfungselement einragen, die jedoch das Dämpfungselement nicht durchdringen.
- 1 shows an oil pan for the internal combustion engine of a motor vehicle in side view, wherein the outer wall of the oil pan is enclosed in the region of the tub bottom and in the direction of travel front side walls of a protective sheath which is connected via a plurality of spacers with the outer wall,
- 2 shows a representation corresponding to FIG. 1, but with a protective cover, which is part of an underbody cover, with an elastomer damping element in the intermediate space between the protective cover and the outer wall of the oil sump,
- Fig. 3 shows another embodiment in which the protective cover is connected via the damping element with the outer wall of the oil pan, wherein for stabilization spacer elements protrude into the damping element, but do not penetrate the damping element.
Die in Fig. 1 dargestellte Ölwanne 1 für eine Brennkraftmaschine eines Kraftfahrzeuges weist ein aus Kunststoff bestehendes Ölwandgehäuse 2 auf, das insbesondere im Spritzgussverfahren hergestellt wird. Die Außenwand 3 des Ölwannengehäuses 2 umfasst einen unten liegenden Wannenboden 3a und umlaufende Seitenwände 3b.The illustrated in Fig. 1
Der Wannenboden 3a und die in Fahrzeug-Vorwärtsrichtung F vorne liegenden Seitenwände 3b sind von einer Schutzwand bzw. - hülle 4 umschlossen, die als separates Bauteil ausgeführt ist und über Abstandselemente 5 mit dem Wannenboden 3a bzw. der vorderen Seitenwand 3b verbunden ist. Die Abstandselemente 5 sorgen dafür, dass die Schutzhülle 4 auf Abstand zur Außenwand 3 des Ölwannengehäuses 2 liegt, so dass zwischen Außenwand 3 und Schutzhülle 4 ein Zwischenraum gebildet ist. Die Schutzhülle 4 besteht zweckmäßig ebenfalls aus Kunststoff, ebenso die Abstandselemente 5. Gemäß einer bevorzugten Ausführung ist vorgesehen, dass die Schutzhülle 4 einschließlich der Abstandselemente 5 an die Außenwand 3 der Ölwanne angespritzt sind. Die Schutzhülle 4 liegt konzentrisch zur Außenwand 3 der Ölwanne. Aufgrund des Abstandes zwischen der Schutzhülle 4 und der Außenwand 3 ist im Falle eines Steinschlages oder eines wie in Fig. 1 dargestellt ungleichmäßigen Aufsetzens der Ölwanne auf einen schiefen Boden 6 sichergestellt, dass zunächst nur die äußere Schutzhülle 4 beschädigt wird, wohingegen die Außenwand 3 der Ölwanne unbeschädigt bleibt. Auf die Schutzhülle 4 einwirkende hohe Kräfte werden über die Vielzahl der als Verstrebungen oder Rippen ausgebildeten Abstandselemente 5 gleichmäßig auf die Außenwand bei der Ölwanne verteilt, so dass hohe, lokale Kraftspitzen, die auf die Schutzhülle 4 einwirken, nach Art einer Flächenlast gleichmäßig auf die gesamte Außenwand der Ölwanne verteilt werden, soweit diese von der Schutzhülle 4 umgriffen wird.The
An der Außenwand 3 können zusätzliche Rippen 7 ausgebildet sein, welche die Außenwand verstärken und für zusätzliche Stabilität sorgen. Diese Rippen 7 sind sowohl im Bereich der Seitenwände 3b als auch zweckmäßig im Bereich des Wannenbodens 3a unmittelbar an der Außenwand 3 angeordnet.On the
Im Ausführungsbeispiel gemäß Fig. 2 bildet die Schutzhülle 4 einen Bestandteil einer Unterbodenabdeckung 9, die auf der Unterseite des Kraftfahrzeuges vorgesehen ist. In dem in Fahrtrichtung F vorne liegenden Bereich umgreift die Schutzhülle 4 die vordere Seitenwand 3b, außerdem wird der Unterboden 3a der Außenwand 3 der Ölwanne umgriffen. Die Schutzhülle 4 liegt auf Abstand zur Außenwand 3, wobei ein Dämpfungselement 8 in den Zwischenraum zwischen Außenwand 3 und Schutzhülle 4 eingebracht ist. Das Dämpfungselement 8 besteht insbesondere aus einem Elastomer und ist fest mit der Schutzhülle 4 verbunden. Die am Fahrzeug gehaltene Unterbodenabdeckung 9 einschließlich der den vorderen Bereich der Unterbodenabdeckung bildenden Schutzhülle 4 ist zweckmäßig nicht unmittelbar mit der Ölwanne 1 verbunden, sondern ist an einem weiteren Bauteil des Kraftfahrzeuges gehalten und wird aufgrund der Eigenstabilität in einer festen Relativposition zur Außenwand 3 der Ölwanne 1 gehalten. Auch das Dämpfungselement 8 besitzt zweckmäßig keine unmittelbare Verbindung zur Außenwand 3 der Ölwanne.In the embodiment of FIG. 2, the
Gemäß einer alternativen Ausführung kann es aber auch vorteilhaft sein, das Dämpfungselement 8 an die Außenwand 3 anzubinden, beispielsweise anzukleben. Darüber hinaus oder alternativ kann es angezeigt sein, Verbindungselemente zur zusätzlichen Anbindung der Schutzhülle 4 an die Außenwand 3 der Ölwanne 1 vorzusehen.According to an alternative embodiment, it may also be advantageous to connect the
Im Ausführungsbeispiel gemäß Fig. 3 ist die Schutzhülle 4 als eigenständiges, separates Bauteil ausgeführt, das unmittelbar mit der Außenwand 3 der Ölwanne 1 verbunden ist. Die Kopplung zwischen Schutzhülle 4 und Außenwand 3 erfolgt über das Elastomer-Dämpfungselement 8, das auf der der Ölwanne 1 zugewandten Seite der Schutzhülle 4 angeordnet ist. Zusätzlich können Abstandselemente 5 vorgesehen sein, die aber, wie im Ausführungsbeispiel nach Fig. 3 dargestellt, den Abstand zwischen Schutzhülle 4 und Außenwand 3 nicht vollständig überbrücken und damit auch das Dämpfungselement 8 nicht vollständig durchdringen, sondern nur in das Dämpfungselement einragen. Die Abstandselemente 5 sind abwechselnd auf der Schutzhülle 4 und dem Wannenboden 3a und der vorderen Seitenwand 3b der Außenwand angeordnet. Die Anbindung der Schutzhülle 4 an die Ölwanne 1 erfolgt in diesem Ausführungsbeispiel ausschließlich über das Dämpfungselement 8, das zweckmäßig an die Außenwand 3 der Ölwanne angeklebt ist. Die Abstandselemente 5, welche das Dämpfungselement 8 nicht vollständig durchdringen, haben die Aufgabe, nur im Falle einer starken äußeren Einwirkung auf die Schutzhülle 4 in Richtung auf die Ölwanne 1 und einem hierdurch erfolgten Zusammendrücken des Dämpfungselementes 8 zusätzliche Abstützkräfte aufzunehmen, sobald die Schutzhülle 4 so weit an die Außenwand angenähert ist, dass die Abstandselemente 5 am jeweils gegenüberliegenden Bauteil anliegen.In the embodiment shown in FIG. 3, the
Gegebenenfalls können auch zusätzliche Abstandselemente vorgesehen sein, die die Schutzhülle 4 unmittelbar mit der Außenwand 3 der Ölwanne verbinden.Optionally, additional spacer elements may be provided which connect the
Claims (11)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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DE202005009096U DE202005009096U1 (en) | 2005-06-09 | 2005-06-09 | Oil pan, especially for an internal combustion engine |
Publications (2)
Publication Number | Publication Date |
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EP1741883A1 true EP1741883A1 (en) | 2007-01-10 |
EP1741883B1 EP1741883B1 (en) | 2009-04-22 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP06114999A Not-in-force EP1741883B1 (en) | 2005-06-09 | 2006-06-06 | Oil sump for an internal combustion engine |
Country Status (4)
Country | Link |
---|---|
US (1) | US7481196B2 (en) |
EP (1) | EP1741883B1 (en) |
AT (1) | ATE429569T1 (en) |
DE (2) | DE202005009096U1 (en) |
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CN105172708A (en) * | 2015-10-14 | 2015-12-23 | 无锡市永亿精密铸造有限公司 | Detachable and replaceable insertion plate type engine protection plate |
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Also Published As
Publication number | Publication date |
---|---|
US7481196B2 (en) | 2009-01-27 |
EP1741883B1 (en) | 2009-04-22 |
ATE429569T1 (en) | 2009-05-15 |
DE202005009096U1 (en) | 2006-10-26 |
DE502006003518D1 (en) | 2009-06-04 |
US20060278099A1 (en) | 2006-12-14 |
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